1951
DOI: 10.2307/277256
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Robinson's Coefficient of Agreement—A Critique

Abstract: Despite a firm conviction that statistical analyses have a definite place in archaeological interpretations, I want to register a protest against the Coefficient of Agreement proposed by W. S. Robinson (American Antiquity, Vol. 16, No. 4, pp. 293-301, 1951). Robinson's coefficient is offered as a measure of the degree of similarity between two collections of sherd material. It is arrived at by adding the differences between the percentages of each type of sherd in the two collections and subtracting this sum f… Show more

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Cited by 9 publications
(3 citation statements)
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“…The approach of Brainerd and Robinson faced some immediate criticism by an anthropologist Lehmer50 for being too dependent on exact numbers of frequencies and for not taking into account the differences in the size of the collections. Dempsey and Baumhoff51 proposed a contextual analysis method to cope with such a problem, which would merely use the information, irrespective of whether a specific type of artifact was present or absent.…”
Section: An Historical Overviewmentioning
confidence: 99%
“…The approach of Brainerd and Robinson faced some immediate criticism by an anthropologist Lehmer50 for being too dependent on exact numbers of frequencies and for not taking into account the differences in the size of the collections. Dempsey and Baumhoff51 proposed a contextual analysis method to cope with such a problem, which would merely use the information, irrespective of whether a specific type of artifact was present or absent.…”
Section: An Historical Overviewmentioning
confidence: 99%
“…Despite certain shortcomings, both of these methods work and both of them provide more sensitive measures of chronological difference than anything we have had heretofore. Some criticisims of the methods have been raised (Lehmer 1951;BennyhofF 1951) and it is apparent that seriation techniques are neither a substitute for good field techniques nor for an adequate typology (Dixon 1956). Still, I am convinced from my own application of both of these methods to the field data from excavations, that the following statements are valid:…”
mentioning
confidence: 99%
“…Although a number of formulae have been proposed, it seems evident that nearly every new problem requires a different theoretical approach concerning the sampling question. Lehmer (1951), for example, criticizes Robinson's coefficient of agreement (pp. 7, 8) because "it takes no account of differences in the size of the collections."…”
mentioning
confidence: 99%